Hair and nails are made primarily of calcium.
No
No
No
Dead skin cells. Same as hair.
hard hair or keratin which is made of the same substance as hair
Keratin
Yes nails are made from proteins. So are feathers and hair
I think you mean the horn of rhinoceros. It is made outkeratin, calcium, and melanin. You can compare it with the materials where hair and nails are made off. If you look closely to the horn you can see it is actually hair sticked together. There is no bone in it or marrow. http://news.mongabay.com/2006/1106-ohio.html
No, nails are made from keratin. There are different strains of this protein, including a different type from which hair is made.
What hair and nails have in common is that they grow. A hair and nails what they have in command is that they are the same as dogs.
There are no nerves and hair and nails are made up of dead cells. Also it's because of magic.
There are no nerves and hair and nails are made up of dead cells. Also it's because of magic.
'Keratin' is a structural protein, which our hair, nails, and animal horns are mostly made from.